Product comparison · 2 network media converters

D-Link DEM-331R network media converter 1250 Mbit/s 1310 nm vs D-Link DEM-331T network media converter 1250 Mbit/s 1310 nm

Key differences

Cabling technology
- DEM-331R network media converter 1250 Mbit/s 1310 nm:1000BASE-BX-U
- DEM-331T network media converter 1250 Mbit/s 1310 nm:1000BASE-BX-D

Differences highlightedShow differences only

Comparison of DEM-331R, DEM-331T
20 specifications	A D-Link DEM-331R network media converter 1250 Mbit/s 1310 nm Model DEM-331R View product	B D-Link DEM-331T network media converter 1250 Mbit/s 1310 nm Model DEM-331T View product
Network1 differ
Maximum data transfer rate	1250 Mbit/s	1250 Mbit/s
Cabling technologyDiffers	1000BASE-BX-U	1000BASE-BX-D
Performanceidentical
Maximum transfer distance	40000 m	40000 m
Wavelength	1310 nm	1310 nm
Sensitivity	-23 dBmW	-23 dBmW
Mean time between failures (MTBF)	420660 h	420660 h
Featuresidentical
Hot-swap	Yes	Yes
Compliance industry standards	IEEE802.3z	IEEE802.3z
Ports & interfacesidentical
Connectivity technology	Wired	Wired
Weight & dimensionsidentical
Weight	20 g	20 g
Certificatesidentical
Safety	TUV, UL, FDA	TUV, UL, FDA
Certification	FCC Class B, ICES-003 Class B, CE Class B, VCCI Class B RoHS	FCC Class B, ICES-003 Class B, CE Class B, VCCI Class B RoHS
Other featuresidentical
Transmit power range	2 - -3 dBmW	2 - -3 dBmW
Cable type	fiber	fiber
Connector(s)	Simplex LC	Simplex LC
Dimensions (WxDxH)	13.4 x 55.5 x 11.28 mm	13.4 x 55.5 x 11.28 mm
Interface	Gigabit Ethernet	Gigabit Ethernet
Power requirements	3.3 V, 300 mA	3.3 V, 300 mA
Fiber type	9/125 µm	9/125 µm
Power budget	20 dB	20 dB

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.